Discontinued Operations Discontinuted Operations - Summarized Results (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	May 31, 2013	May 31, 2012	May 31, 2011
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Revenues	$ 523	$ 796	$ 746
Income (loss) before income taxes	108	(43)	(18)
Income tax expense (benefit)	87	3	21
Net income (loss) from discontinued operations	21	(46)	(39)
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]
Accounts Receivable, net	0	148
Inventories	0	128
Deferred income taxes and other assets	0	35
Property, plant and equipment, net	0	70
Identifiable intangible assets, net	0	234
TOTAL ASSETS	0	615
Accounts payable	1	42
Accrued liabilities	17	112
Deferred income taxes and other liabilities	0	16
TOTAL LIABILITIES	$ 18	$ 170